import cn.wanghaomiao.xpath.exception.XpathSyntaxErrorException;
import cn.wanghaomiao.xpath.model.JXDocument;
import cn.wanghaomiao.xpath.model.JXNode;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

import java.io.File;
import java.io.IOException;
import java.util.List;

/**
 *XPath查询
 */
public class xpath {
    public static void main(String[] args) throws IOException, XpathSyntaxErrorException {
        //1.获取student.xml的path
        String path = xpath.class.getClassLoader().getResource("student.xml").getPath();
        //2.获取Document对象
        Document document = Jsoup.parse(new File(path), "UTF-8");
        //3.根据document对象，创建JXDocument对象
        JXDocument jxDocument = new JXDocument(document);
        //4.结合xpath语法查询
        //4.1查询所有student标签
        List<JXNode> jxNodes = jxDocument.selN("//student");
        for (JXNode jxNode : jxNodes){
            System.out.println(jxNode);
        }
        System.out.println("------------------");

        //4.2查询所有student标签下的name标签
        List<JXNode> jxNodes2 = jxDocument.selN("//student/name");
        for (JXNode jxNode : jxNodes2){
            System.out.println(jxNode);
        }
        System.out.println("-------------");

        //4.3查询student标签下带有id属性的name标签
        List<JXNode> jxNodes3 = jxDocument.selN("//student/name[@id]");
        for (JXNode jxNode : jxNodes3){
            System.out.println(jxNode);
        }
        System.out.println("----------------");

        //4.4查询student标签下带有id属性的name标签 并且id属性值为cpu
        List<JXNode> jxNodes4 = jxDocument.selN("//student/name[@id='cpu']");
        for (JXNode jxNode : jxNodes4){
            System.out.println(jxNode);
        }

    }
}

/**
 * <student number="01">
 *  <name id="cpu">
 *   <cpu>
 *    cpu
 *   </cpu>
 *   <code>code</code>
 *  </name>
 *  <age>
 *   20
 *  </age>
 *  <sex>
 *   男
 *  </sex>
 * </student>
 * <student number="02">
 *  <name>
 *   cpu_code
 *  </name>
 *  <age>
 *   29
 *  </age>
 *  <sex>
 *   女
 *  </sex>
 * </student>
 * ------------------
 * <name id="cpu">
 *  <cpu>
 *   cpu
 *  </cpu>
 *  <code>code</code>
 * </name>
 * <name>
 *  cpu_code
 * </name>
 * -------------
 * <name id="cpu">
 *  <cpu>
 *   cpu
 *  </cpu>
 *  <code>code</code>
 * </name>
 * ----------------
 * <name id="cpu">
 *  <cpu>
 *   cpu
 *  </cpu>
 *  <code>code</code>
 * </name>
 * */